DBS Plus, an innovative audio visual teaching system, engages teachers and students in a joyful and interactive learning environment. Offers tools such as Wi-Fi-display (smart phone, tablet), dialogue, group practice, students demonstration, on-line test, prompt feedback, grade, help, roll cal ,etc. that will keep your students motivated and excited while they acquire the language skills they will need even under non-PC based classrooms. You will not regret to get closer DBS-plus, the latest inspirational and effective pedagogical system. With brand-new touch panel and built-in blue tooth to support PC, laptop and tablet wireless broadcasting such as iPhone/iPad/Tablet/Smart Phone/NB for teachers to easily present teaching materials with hand-held devices. Address the specialized learning environment of language/computer lab by multiple tools such as broadcast, observe, dialogue, group discussion, darken, on line help, etc and delivery high-fidelity sound obtaining a fluent and free discussion.